1818911284706 has 8 divisors (see below), whose sum is σ = 2737083755244. Its totient is φ = 906550032960.

The previous prime is 1818911284681. The next prime is 1818911284709. The reversal of 1818911284706 is 6074821198181.

It can be written as a sum of positive squares in 2 ways, for example, as 1667866348681 + 151044936025 = 1291459^2 + 388645^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1818911284709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1452803915 + ... + 1452805166.

Almost surely, 2^{1818911284706} is an apocalyptic number.

1818911284706 is a deficient number, since it is larger than the sum of its proper divisors (918172470538).

1818911284706 is a wasteful number, since it uses less digits than its factorization.

1818911284706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905609396.

The product of its (nonzero) digits is 1548288, while the sum is 56.

The spelling of 1818911284706 in words is "one trillion, eight hundred eighteen billion, nine hundred eleven million, two hundred eighty-four thousand, seven hundred six".